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Table 4

The parameters measured from SMA observations at 1.1 mm, including the coordinates, specific intensity at continuum peak, total flux density, and projected source size.

Source RA Dec I ν a Sν a θ fr ab Con.b T SMA N fr c n fr c λ fr d M fr
J[2000] J[2000] () (mJy) (″×″) (K) 1023(cm-2) 105(cm-3) (pc) (M)

G28.34 S 18h42m −04°04″ 15
A 1554 23.5 69.8 5.2″ × 3.6″ 0.78 6.38 47.24 0.24 53.45
B 0708 8.4 81.4 9.2″ × 6.6″ 0.78 2.28 16.88 62.33

IRDC 18530 18h55m 02°17″ 15
A 0987 5.4 8.4 3.6″ × 2.5″ 0.77 1.55 12.09 6.16
B 0888 5.3 9.6 3.8″ × 2.7″ 0.77 1.52 11.87 0.07 7.03
C 0781 4.0 8.3 4.5″ × 2.7″ 0.78 1.15 8.96 6.08
D 1169 3.7 6.5 6.1″ × 1.7″ 0.78 1.06 8.29 4.76

IRDC 18306 18h33m −08°32″ 15
A 2936 13.8 45.3 5.8″ × 4.0″ 0.86 5.17 57.39 0.15 21.24
B 2958 9.2 71.4 11.2″ × 4.9″ 0.86 3.44 38.26 33.49

IRDC 18308 18h33m −08° 15
A 35″5955 8.3 42.6 8.9″ × 4.0″ 0.87 3.46 33.24 29.84
B 36″0453 7.1 78.0 15.5″ × 5.0″ 0.87 2.96 28.43 0.12 54.64
C 36″0952 11.3 49.8 6.9″ × 4.9″ 0.8 4.30 41.25 34.89

Notes.

(a)

Properties are estimated from the maps with COMP configuration.

(b)

θfr is from 2D Gaussian fits.

(c)

H2 column density and the average volume density at the continuum peak are estimated at 15 K.

(d)

λfr is the mean projected separation of concentrations.

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